Staff members with an ISC managed PC or a question about telephony or employees/students with a question about Peage printing can directly contact the ISC ICT helpdesk: +31 24 36 22222, .

Students with questions about their RU-account or student.ru.nl mailbox, please contact
Student Affairs directly.

C&CZ is located in the Huygens building, 3rd floor, next to the entrance of wing number 5. Big orange wall stickers spell "C&CZ" at the entrance.
The room number is HG03.055, which can be decoded as Huygens (HG), third floor (03), central street (.0), roughly in the middle (55). In the Huygens building wing numbers run from 1 to 8, increasing from south to north. Room numbers increase in the same direction. The central street is numbered as wing 0.